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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Edward Kandrot  <kandrot@netscape.com>
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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 * ***** END LICENSE BLOCK ***** */


#ifndef nsRegistry_h__
#define nsRegistry_h__

#include "nsIRegistry.h"
#include "NSReg.h"
#include "nsIFile.h"
#include "nsCOMPtr.h"

struct nsRegistry : public nsIRegistry, nsIRegistryGetter {
    // This class implements the nsISupports interface functions.
    NS_DECL_ISUPPORTS

    // This class implements the nsIRegistry interface functions.
    NS_DECL_NSIREGISTRY

    // Fast registry getters
    NS_DECL_NSIREGISTRYGETTER

    int SetBufferSize( int bufsize );  // changes the file buffer size for this registry

    // ctor/dtor
    nsRegistry();

private:
    ~nsRegistry();

protected:
    HREG   mReg; // Registry handle.
#ifdef EXTRA_THREADSAFE
    PRLock *mregLock;    // libreg isn't threadsafe. Use locks to synchronize.
#endif
    nsCOMPtr<nsIFile> mCurRegFile; // these are to prevent open from opening the registry again
    nsWellKnownRegistry mCurRegID;

    NS_IMETHOD Close();
}; // nsRegistry

#endif
